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Back-arc basin: Characters, History & Geography
A back-arc basin is a type of geologic basin, found at some convergent plate boundaries. Presently all back-arc basins are submarine features associated with island arcs and subduction zones, with many found in the western Pacific Ocean. Most of them result from tensional forces, caused by a process known as oceanic trench rollback, where a subduction…
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Back-arc basin topic overview
The analysis highlights Characters, History and Geography as prominent areas in the source structure around Back-arc basin.
Related topics
90
Source areas
8
Connected nodes
98
Extracted relationships
188
Concept neighborhoods
21
Bridge connections
98
What this topic covers Research coverage
Source areas are shown by the number of related topics found in each part of the analysis. Use smaller areas too: they can reveal specialized angles and content gaps.
Sedimentation · 41 topics
Structural characteristics · 12 topics
Locations · 11 topics
General and cited references · 9 topics
Overview · 8 topics
Formation and tectonics · 4 topics
Seafloor spreading · 4 topics
History of thought · 1 topics
Smaller areas are not necessarily less important. They contain fewer connections in this analysis and can be useful for finding specialized angles or coverage gaps.
Key facts & relationships
High-confidence facts extracted from structured source data. Use them as anchors for further research.
Explore all related topics Closing gaps
A structured outline of related entities, concepts and subtopics. Open any item to build a new map centered on it.
Browse the complete topic structure, not only the most central items. Less prominent entities and concepts can reveal missing angles, specialized context and useful research gaps. Each item opens a new analysis centered on that subject.
Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.
How Back-arc basin connects Entity context
Entity context groups extracted connections by relationship type. Counts show recurrence in the analyzed source; the examples are research signals, not claims about importance.
The extracted context around Back-arc basin shows recurring relationship patterns in the source. For example, Back-arc basin → Asymmetric, Atwater, B3, B7, Back-Arc Basins, Backarc Basins, Baker, Barker, Becker, BF00185938, Bibcode, Brian, Buddington, CO, Collisional, Composition, Controls, Cordilleran, Daniel, Depositional Depth Another extracted example is Back-arc basin → Active, Andes, Compressional, Japan, Kermadec-Tonga, Kurile Basin, Manus, Marianas, North Fiji, Not, Pacific, Parece Vela-Shikoku Basin, Pyrenees, Sea, South Scotia, Swiss Alps, There, Tyrrhenian Sea. Use these groups to spot repeated connection types before inspecting the individual relationships.
Relationships are represented as Subject → Predicate → Object triples. Confidence describes extraction strength, not the real-world importance of a relationship; lower-confidence rows may be contextual rather than explicit.
TTTA extracted 188 structured relationships around Back-arc basin. Examples in this analysis include Back-arc basin → is a → type of geologic basin and the Lau Basin have undergone large rift jumps → instance of → This situation is mirrored to the north where a large spreading asymmetry is also developed.Other back-arc basins. The table shows each extracted connection, where it came from and its confidence.
Subject
Predicate
Object
Confidence
Src
Back-arc basin
is a
type of geologic basin
0.90
text
the Lau Basin have undergone large rift jumps
instance of
This situation is mirrored to the north where a large spreading asymmetry is also developed.Other back-arc basins
0.80
text
propagation events
instance of
This situation is mirrored to the north where a large spreading asymmetry is also developed.Other back-arc basins
0.80
text
Back-arc basin
related to External links
Animation
0.60
section
Back-arc basin
related to External links
EGU GIFT2017
0.60
section
Back-arc basin
related to External links
Shaping
0.60
section
Back-arc basin
related to External links
Mediterranean
0.60
section
Back-arc basin
related to External links
Inside Out
0.60
section
Back-arc basin
related to External links
YouTube
0.60
section
Back-arc basin
related to Formation and tectonics
The
0.60
section
Back-arc basin
related to Formation and tectonics
As
0.60
section
Back-arc basin
related to Formation and tectonics
Another
0.60
section
No triples extracted yet.
Related concept clusters Concept neighborhoods
Concept neighborhoods group terms that sit near one another in the extracted graph. They are useful for discovering adjacent language and context, but proximity does not by itself imply a factual relationship.
The concept neighborhoods around Back-arc basin bring nearby vocabulary together. In this analysis, examples include Basins, Basin and Spreading. Use the clusters to find adjacent concepts and terminology that may deserve separate research.
Back-arc basin
Basins
Basin
Spreading
Subduction
Mid-ocean
Pacific
Found
Ridges
Zones
Plate
Western
Crust
back-arc basin
Basins
Lau
Basin
Spreading
Subduction
Mid-ocean
Pacific
Found
Ridges
Zones
Plate
Western
basin
Lau
Spreading
Seafloor
Mid-ocean
Basins
Subduction
Process
Trench
Water
Asymmetric
Ridges
Zone
lau basin
Lau
Spreading
Seafloor
Mid-ocean
Basins
Process
Subduction
Mariana
Trench
Water
Asymmetric
Ridges
convergent plate boundaries
Zone
Plate
Subduction
Trench
Subducting
Zones
Extension
Oceanic
Crust
Tectonics
Type
Associated
plate tectonics
Zone
Subduction
Trench
Subducting
Extension
Oceanic
Crust
Associated
Basins
Process
Seafloor
Tectonics
oceanic trench rollback
Crust
Subducting
Zone
Plate
Spreading
Extension
Process
Tectonics
Trench
Asymmetric
Thickness
Arc
crust
Oceanic
Subducting
Plate
Found
Spreading
Subduction
Extension
Trench
Mid-ocean
Ridges
Thickness
Zone
Connections between topic areas Semantic bridges
Semantic bridges connect parts of the graph that would otherwise be more separate. A bridge is a structural signal in this analysis, not a claim that the two topic areas are equivalent.
For Back-arc basin, one of the stronger structural bridges in this analysis connects Back-arc basin with Sedimentation. Bridges highlight paths between different parts of the map and can reveal research angles that are easy to miss in a flat list.
Number of nodes, edges, triples, density and central hubs. Use it to gauge the size and connectivity of the map.
Back-arc basin
Nodes99
Edges98
Triples188
Avg. degree1.98
Density0.020202
Components1
Source & methodology
TTTA analyzes the structure around Back-arc basin to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as Characters, History & Geography, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.
